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Radiant|Lab Grown|IGI

0.64ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG611384466

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG611384466

Diamond specifications and retailer prices

From £342 GBP
As of November 2, 2026
2 retailers carry this diamond
Most expensive: £342 GBP at MD Diamonds and Jewellers
View at MD Diamonds and Jewellers

About this 0.64ct lab-grown radiant diamond

This 0.64ct lab-grown radiant sits in the half to three-quarter carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG611384466 or 611384466. Listed at 2 retailers as of November 2, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.64
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle44.5°
Pavilion angle42.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611384466
Dimensions5.85 × 4.24 × 2.95 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.85 mm4.24 mm0.64 ctF / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG611384466
Side View
Table 69.0%Crown 44.5°Girdle: STK-THKPavilion 42.2°Culet: NoneDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: £380 GBP|Low: £155 GBP|High: £483 GBP|Avg: £293 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
August 28, 2026
Retailer 5£155 GBP
Retailer 4£197 GBP
Retailer 2£201 GBP
Retailer 7£210 GBP
Retailer 6£219 GBP
Retailer 1£380 GBP
Retailer 3£483 GBP

20 data points across 7 retailers

2 retailers

Retailer 1
-
£219 GBP
Price last confirmed 66 days ago
Most Expensive
B
MD Diamonds and Jewellers
LG611384466 · Nov 2
£342 GBP
View
1 more retailer has this diamond

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.64ct Radiant
£342 GBP